Sonicare HX4472 Manual page 12

Advance 4000 series
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ENGLISH
12
C
6
Insert the screwdriver underneath the electronic circuit board
in multiple places.
C
7
Twist and pry the electronic circuit board loose until it is
completely separated from the handle.
C
8
Pry the 2 AA-sized cylindrical nickel-cadmium batteries loose
by inserting the screwdriver on the sides of the two batteries
in the locations shown in the figure.
C
9
Use a twisting and prying motion to break the glue bond on
the inside of the handle plastic and underneath the batteries.
The 2 batteries are joined together with glue and will be lifted
out together.

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Hx4571Hx4871Hx4511Hx4872

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